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BOSTON MARATHON 2025

Jun Zhao

Bib: 14215•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 50%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M55-59)
#0 / 1648
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:24/mi
23:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:40
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:38:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:56:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:21:29
↑ 181↓ 1480.2%
20M
8:01/mi
2:32:22
↑ 64↓ 500.2%
21M
8:24/mi
2:40:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:46:24
↑ 17↓ 861.7%
23M
7:53/mi
2:56:16
↑ 23↓ 630.6%
24M
7:44/mi
3:04:00
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:10:41
↓ 200.3%
25.2M
8:36/mi
3:13:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:21:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:23
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3523:007:2423:00
7:24
-
10K
6.21 mi11:17:5946:247:2823:24
7:32
+0:08
15K
9.32 mi11:41:151:09:407:2823:16
7:29
-0:03
20K
12.43 mi12:04:501:33:157:3023:35
7:35
+0:06
Half
13.11 mi12:09:581:38:237:305:08
7:31
-0:04
25K
15.53 mi12:28:291:56:547:3218:31
7:38
+0:07
30K
18.64 mi12:53:042:21:297:3524:35
7:55
+0:17
20M
20.00 mi13:03:572:32:227:3710:53
8:01
+0:06
21M
21.00 mi13:12:212:40:467:398:24
8:24
+0:23
35K
21.75 mi13:17:592:46:247:395:38
7:32
-0:52
23M
23.00 mi13:27:512:56:167:409:52
7:53
+0:21
24M
24.00 mi13:35:353:04:007:407:44
7:44
-0:09
40K
24.85 mi13:42:163:10:417:406:41
7:49
+0:05
25.2M
25.20 mi13:45:143:13:397:412:58
8:36
+0:47
Finish
26.22 mi13:52:453:21:107:417:31
7:23
-1:13

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:23 /mi

Average Pace

7:41 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:48

94% of race

Time at Steady Pace

11:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:3523:007:2423:00
7:24
#11338
10K
6.21 mi11:17:5946:247:2823:24
7:32
#11827
15K
9.32 mi11:41:151:09:407:2823:16
7:29
#11746
20K
12.43 mi12:04:501:33:157:3023:35
7:35
#11658
Half
13.11 mi12:09:581:38:237:305:08
7:31
#11676
25K
15.53 mi12:28:291:56:547:3218:31
7:38
#11539
30K
18.64 mi12:53:042:21:297:3524:35
7:55
#11354
20M
20.00 mi13:03:572:32:227:3710:53
8:01
#11244
21M
21.00 mi13:12:212:40:467:398:24
8:24
#11108
35K
21.75 mi13:17:592:46:247:395:38
7:32
#10999
23M
23.00 mi13:27:512:56:167:409:52
7:53
#10846
24M
24.00 mi13:35:353:04:007:407:44
7:44
#10746
40K
24.85 mi13:42:163:10:417:406:41
7:49
#10645
25.2M
25.20 mi13:45:143:13:397:412:58
8:36
#10610
Finish
26.22 mi13:52:453:21:107:417:31
7:23
#10481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi113388858885811655(Top 41%)8901(Top 55%)8901(Top 540%)
10K6.21 mi3.10 mi11827-4899078-2209078-22012371(Top 44%)9314(Top 58%)9314(Top 565%)
15K9.32 mi3.11 mi11746+819020+589020+5811655(Top 41%)8901(Top 55%)8901(Top 540%)
20K12.43 mi3.11 mi11658+888936+848936+8411500(Top 40%)8730(Top 54%)8730(Top 530%)
Half13.11 mi0.68 mi11676-188941-58941-511835(Top 42%)8943(Top 56%)8943(Top 543%)
25K15.53 mi2.42 mi11539+1378836+1058836+10511018(Top 39%)8388(Top 52%)8388(Top 509%)
30K18.64 mi3.11 mi11354+1858675+1618675+16110734(Top 38%)8047(Top 50%)8047(Top 488%)
20M20.00 mi1.36 mi11244+1108581+948581+9410493(Top 37%)7786(Top 48%)7786(Top 472%)
21M21.00 mi1.00 mi11108+1368474+1078474+1079827(Top 35%)7271(Top 45%)7271(Top 441%)
35K21.75 mi0.75 mi10999+1098397+778397+778835(Top 31%)6766(Top 42%)6766(Top 411%)
23M23.00 mi1.25 mi10846+1538288+1098288+1099143(Top 32%)6801(Top 42%)6801(Top 413%)
24M24.00 mi1.00 mi10746+1008198+908198+909324(Top 33%)6818(Top 42%)6818(Top 414%)
40K24.85 mi0.85 mi10645+1018124+748124+748876(Top 31%)6458(Top 40%)6458(Top 392%)
25.2M25.20 mi0.35 mi10610+358092+328092+329390(Top 33%)6642(Top 41%)6642(Top 403%)
Finish26.22 mi1.02 mi10481+1297994+987994+988327(Top 29%)6103(Top 38%)6103(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11655

Males

8901

M55-59

8901

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12371

Males

9314

M55-59

9314

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11655

Males

8901

M55-59

8901

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11500

Males

8730

M55-59

8730

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11835

Males

8943

M55-59

8943

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11018

Males

8388

M55-59

8388

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10734

Males

8047

M55-59

8047

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10493

Males

7786

M55-59

7786

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9827

Males

7271

M55-59

7271

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8835

Males

6766

M55-59

6766

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9143

Males

6801

M55-59

6801

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9324

Males

6818

M55-59

6818

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8876

Males

6458

M55-59

6458

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9390

Males

6642

M55-59

6642

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8327

Males

6103

M55-59

6103

Passing Analysis

Category:
Athletes Passed
2202
Passed By
1345
Net Change
+857
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11338
5K → 10K92581-489#11338#11827
10K → 15K206125+81#11827#11746
15K → 20K235147+88#11746#11658
20K → Half2442-18#11658#11676
Half → 25K22992+137#11676#11539
25K → 30K311126+185#11539#11354
30K → 20M16656+110#11354#11244
20M → 21M16630+136#11244#11108
21M → 35K12617+109#11108#10999
35K → 23M18734+153#10999#10846
23M → 24M13232+100#10846#10746
24M → 40K12322+101#10746#10645
40K → 25.2M5419+35#10645#10610
25.2M → Finish15122+129#10610#10481
TOTALS22021345+857
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing